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Chinese National Standards
中華民國國家標準
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"Isatin " CNS Standards List

| Rice Hulling | Method test | Disc Recording | Small Size | Heat Resistant | Copper Standard | Fuel cell | Metal Laboratory |
K-Chemical Industry
CNS 6837    2019 Edition
Method of Test for Traces of Thiophene in Benzene Using Isatin and Spectrophotometry
苯中微量噻吩檢驗法（分光光度計法）

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